4 freelance English-speaking jobs in Olsztyn

Mid-level Java Developer to support development of a SaaS platform. Responsibilities include development work, assisting client developers, and resolving critical issues. Requires 2-4 years of Java backend experience, Spring Boot, RESTful API design, and SQL. Must be comfortable working independently during off-standard hours and communicating in English.

Senior Golang Developer needed for fully remote, contract position. Develop and maintain backend services using Go (Golang) in a modern product environment. Collaborate with product managers and designers to build features and ensure code quality.

Senior Backend Engineer needed for remote contract role (EU only). Design, build, and maintain scalable backend systems, APIs, and ETL pipelines. Strong Java, database, and cloud platform experience required.

Azure Cloud Architect needed for a full-time remote position. Design and implement Azure-based cloud infrastructure for a microservices architecture. Experience with Azure Active Directory, Azure Functions, Azure SQL, Cosmos DB, API Management, and Azure Messaging required.